Claude Fable 5.2 (Medium, Default Fallback) vs GPT-6 Astra (Low)
Which is better for the money: Claude Fable 5.2 (Medium, Default Fallback) by Anthropic or GPT-6 Astra (Low) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-11-10.
Trade-off
Verdict
Depends on your budget
Claude Fable 5.2 (Medium, Default Fallb… scores 13.1 points higher (56.4 vs 43.3) but costs 2.0× as much to run the benchmark ($3360 vs $1651; flagship vs premium cost classes). Pick Claude Fable 5.2 (Medium, Default Fallb… when the extra intelligence is worth the premium, otherwise GPT-6 Astra (Low).
| Metric | Claude Fable 5.2 (Medium, Default Fallback) | GPT-6 Astra (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 56.4 | 43.3 | −23.2% GPT-6 Astra (Low) is 23.2% less intelligent |
| Total AA cost (lower is better) | $3,359.66 | $1,650.75 | −50.9% GPT-6 Astra (Low) is 50.9% cheaper |
| End-to-end time (lower is better) | 27.53s | 16.24s | −41.0% GPT-6 Astra (Low) is 41.0% faster |
| Price per 1M tokens (in / out) | $8.00 / $40.0 | $10.0 / $50.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Astra (Low) vs Claude Fable 5.2 (Medium, Default Fallback): 23.2% less intelligence, 50.9% less cost to run the AA benchmark, and 41.0% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Fable 5.2 (Medium, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- GPT-6 Astra (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 54.60 for $1124.
Claude Fable 5.2 (Medium, Default Fallback)GPT-6 Astra (Low)Today's Pareto frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/claude-fable-5-2-medium/gpt-6-astra-low · Markdown: /api/v1/compare/claude-fable-5-2-medium/gpt-6-astra-low?format=md · llms.txt · agent skill